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Close-up Air conditioner technician hand check  fill refrigerant liquid and maintenance condenser unit, Home care service
Latin American female maintenance engineer repairing medical equipment using a multimeter
All machines nead maintains. Professional technician troubleshooting and repair the machines in the printing house.
Team of aircraft engineers in the hangar repairing and maintaining private jet airplane.
Bright dangerous electronic sparks of current quickly and sharply scatter from an unsafe short circuit on complex technological equipment, in a dark room with electrical appliances
One senior man teaching his grandson how to repair vehicles  and pass down the business
Male electrician worker checking operation electric system at the solar farm. Male electrician engineer holding laptop computer working in solar panels power farm
Two Aircraft engineers and mechanics in the hangar repairing and maintaining private helicopter.
Electrical engineer working in control room. Electrical engineer man checking Power Distribution Cabinet in the control room
Close-up of a technician’s hand probing an electronic circuit. Schematic diagram in the background.
Industrial worker at car service welds automotive body. Metalworking with carbon dioxide welding. Weld of auto.
Male aircraft engineer in the hangar repairing and maintaining private jet airplane.
Professional caucasian white ethnicity male technician operating the heavy duty machine in the lathing factory. Technician in safety and helmet suit controlling a machine in factory.
St Elmo’s fire vanuit een cockpit
A part of the car door that was dismantled to be repaired.
Engineer making code for the machine
CAEN, FRANCE - JUNE Circa, 2016. Cockpit detail. Cockpit of a small aircraft CESSNA, empy, no people. Before lesson to become pilot.
One man, professional key cutter, making car keys copies on modern machine.
Electricity current and voltage monitering gauge on engine or power generator control panel. Industrial equipment object photo. Close-up and selective focus.
Precision and attention to detail showcased as an employee operates the factory equipment.
Pensacola, FL, USA - November 11, 2016: A U.S. Air Force F-35 Joint Strike Fighter (Lightning II) jet in a hangar. This F-35 is assigned to the 33rd Fighter Wing at Eglin Air Force Base.
an aircraft mechanic is servicing the plane in the workshop
Scientific hands experimenting with monitors and electrodes
The electrical engineer checks and inspects at MDB panel (Main Distribution Board ) in the Substation building, daily and checks the electric switchboard on the Main Distribution Boards of the factory
metal powder laser additive manufacturing machine
an f-18 \
Two engineer sits in a research lab analyzing the performance of a robotic arm.
Close-up of a welder MIG welding with bright sparks and smoke
Male aviation engineer examining helicopter engine with voltage tester, close view. Young aircraft mechanic working with multimeter, side view
Free Images: "bestof:ECES Welding DVIDS282269.jpg en Air Force Tech Sgt Eddie Morgan a welder with the Mississippi Air National Guard's 186th Civil Engineering Squadron deployed to"
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